145123936 has 12 divisors (see below), whose sum is σ = 285712812. Its totient is φ = 72561952.

The previous prime is 145123889. The next prime is 145123961. The reversal of 145123936 is 639321541.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2267530 + ... + 2267593.

It is an arithmetic number, because the mean of its divisors is an integer number (23809401).

Almost surely, 2^145123936 is an apocalyptic number.

145123936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145123936 is a deficient number, since it is larger than the sum of its proper divisors (140588876).

145123936 is an equidigital number, since it uses as much as digits as its factorization.

145123936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535133 (or 4535125 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 145123936 is about 12046.7396419114. The cubic root of 145123936 is about 525.5084247773.

The spelling of 145123936 in words is "one hundred forty-five million, one hundred twenty-three thousand, nine hundred thirty-six".