145695057 has 4 divisors (see below), whose sum is σ = 194260080. Its totient is φ = 97130036.

The previous prime is 145695019. The next prime is 145695061. The reversal of 145695057 is 750596541.

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.

It is a cyclic number.

It is not a de Polignac number, because 145695057 - 2⁶ = 145694993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145691057) 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, 24282507 + ... + 24282512.

It is an arithmetic number, because the mean of its divisors is an integer number (48565020).

Almost surely, 2^145695057 is an apocalyptic number.

It is an amenable number.

145695057 is a deficient number, since it is larger than the sum of its proper divisors (48565023).

145695057 is an equidigital number, since it uses as much as digits as its factorization.

145695057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48565022.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 145695057 is about 12070.4207466020. The cubic root of 145695057 is about 526.1968847116.

The spelling of 145695057 in words is "one hundred forty-five million, six hundred ninety-five thousand, fifty-seven".