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145110029 = 413539269
BaseRepresentation
bin10001010011000…
…11010000001101
3101010001100112112
420221203100031
5244122010104
622222113405
73411262211
oct1051432015
9333040475
10145110029
1174a02349
124071b865
13240a922c
14153b4941
15cb1586e
hex8a6340d

145110029 has 4 divisors (see below), whose sum is σ = 148649340. Its totient is φ = 141570720.

The previous prime is 145110019. The next prime is 145110037. The reversal of 145110029 is 920011541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920011541 = 1777517733.

It can be written as a sum of positive squares in 2 ways, for example, as 48972004 + 96138025 = 6998^2 + 9805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145110029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145109986 and 145110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769594 + ... + 1769675.

It is an arithmetic number, because the mean of its divisors is an integer number (37162335).

Almost surely, 2145110029 is an apocalyptic number.

It is an amenable number.

145110029 is a deficient number, since it is larger than the sum of its proper divisors (3539311).

145110029 is an equidigital number, since it uses as much as digits as its factorization.

145110029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539310.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 145110029 is about 12046.1624179653. The cubic root of 145110029 is about 525.4916380241.

The spelling of 145110029 in words is "one hundred forty-five million, one hundred ten thousand, twenty-nine".

Divisors: 1 41 3539269 145110029