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145654870 = 2514565487
BaseRepresentation
bin10001010111010…
…00010001010110
3101011002000220211
420223220101112
5244241423440
622241520034
73416021524
oct1053502126
9334060824
10145654870
1175244729
124094301a
132423a21a
14154b7314
15cbc1eea
hex8ae8456

145654870 has 8 divisors (see below), whose sum is σ = 262178784. Its totient is φ = 58261944.

The previous prime is 145654823. The next prime is 145654877. The reversal of 145654870 is 78456541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145654877) 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, 7282734 + ... + 7282753.

It is an arithmetic number, because the mean of its divisors is an integer number (32772348).

Almost surely, 2145654870 is an apocalyptic number.

145654870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145654870 is a deficient number, since it is larger than the sum of its proper divisors (116523914).

145654870 is a wasteful number, since it uses less digits than its factorization.

145654870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565494.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 145654870 is about 12068.7559425154. The cubic root of 145654870 is about 526.1485000485.

It can be divided in two parts, 14 and 5654870, that added together give a square (5654884 = 23782).

The spelling of 145654870 in words is "one hundred forty-five million, six hundred fifty-four thousand, eight hundred seventy".

Divisors: 1 2 5 10 14565487 29130974 72827435 145654870