145251957 has 16 divisors (see below), whose sum is σ = 201044480. Its totient is φ = 93182400.

The previous prime is 145251947. The next prime is 145252001. The reversal of 145251957 is 759152541.

145251957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145251957 - 2⁷ = 145251829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145251907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12519 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (12565280).

Almost surely, 2^145251957 is an apocalyptic number.

It is an amenable number.

145251957 is a deficient number, since it is larger than the sum of its proper divisors (55792523).

145251957 is a wasteful number, since it uses less digits than its factorization.

145251957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844.

The product of its digits is 63000, while the sum is 39.

The square root of 145251957 is about 12052.0519829612. The cubic root of 145251957 is about 525.6629050169.

The spelling of 145251957 in words is "one hundred forty-five million, two hundred fifty-one thousand, nine hundred fifty-seven".