145757528929 has 4 divisors (see below), whose sum is σ = 153428977840. Its totient is φ = 138086080020.

The previous prime is 145757528897. The next prime is 145757528933. The reversal of 145757528929 is 929825757541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 929825757541 = 281 ⋅3308988461.

It is a cyclic number.

It is not a de Polignac number, because 145757528929 - 2⁵ = 145757528897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145757523929) 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, 3835724427 + ... + 3835724464.

It is an arithmetic number, because the mean of its divisors is an integer number (38357244460).

Almost surely, 2^145757528929 is an apocalyptic number.

145757528929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

145757528929 is a deficient number, since it is larger than the sum of its proper divisors (7671448911).

145757528929 is an equidigital number, since it uses as much as digits as its factorization.

145757528929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671448910.

The product of its digits is 63504000, while the sum is 64.

The spelling of 145757528929 in words is "one hundred forty-five billion, seven hundred fifty-seven million, five hundred twenty-eight thousand, nine hundred twenty-nine".