145915675940 has 12 divisors (see below), whose sum is σ = 306422919516. Its totient is φ = 58366270368.

The previous prime is 145915675931. The next prime is 145915675951. The reversal of 145915675940 is 49576519541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104934532096 + 40981143844 = 323936^2 + 202438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647891879 + ... + 3647891918.

It is an arithmetic number, because the mean of its divisors is an integer number (25535243293).

Almost surely, 2^145915675940 is an apocalyptic number.

145915675940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145915675940 is an abundant number, since it is smaller than the sum of its proper divisors (160507243576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145915675940 is a wasteful number, since it uses less digits than its factorization.

145915675940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295783806 (or 7295783804 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 145915675940 in words is "one hundred forty-five billion, nine hundred fifteen million, six hundred seventy-five thousand, nine hundred forty".