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145772112 = 2433036919
BaseRepresentation
bin10001011000001…
…00111001010000
3101011021222202010
420230010321100
5244304201422
622244222520
73420020403
oct1054047120
9334258663
10145772112
1175314822
124099aa40
132427b6b5
1415507d3a
15cbe6b0c
hex8b04e50

145772112 has 20 divisors (see below), whose sum is σ = 376578080. Its totient is φ = 48590688.

The previous prime is 145772111. The next prime is 145772113. The reversal of 145772112 is 211277541.

145772112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145772111) and next prime (145772113).

It is a self number, because there is not a number n which added to its sum of digits gives 145772112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145772111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518412 + ... + 1518507.

It is an arithmetic number, because the mean of its divisors is an integer number (18828904).

Almost surely, 2145772112 is an apocalyptic number.

145772112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145772112 is an abundant number, since it is smaller than the sum of its proper divisors (230805968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145772112 is a wasteful number, since it uses less digits than its factorization.

145772112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036930 (or 3036924 counting only the distinct ones).

The product of its digits is 3920, while the sum is 30.

The square root of 145772112 is about 12073.6122183877. The cubic root of 145772112 is about 526.2896331226.

The spelling of 145772112 in words is "one hundred forty-five million, seven hundred seventy-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 3036919 6073838 9110757 12147676 18221514 24295352 36443028 48590704 72886056 145772112