145235390874 has 32 divisors (see below), whose sum is σ = 332113130880. Its totient is φ = 41477510592.

The previous prime is 145235390857. The next prime is 145235390897. The reversal of 145235390874 is 478093532541.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666709 + ... + 857304.

It is an arithmetic number, because the mean of its divisors is an integer number (10378535340).

Almost surely, 2^145235390874 is an apocalyptic number.

145235390874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145235390874 is an abundant number, since it is smaller than the sum of its proper divisors (186877740006).

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

145235390874 is a wasteful number, since it uses less digits than its factorization.

145235390874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526294.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 145235390874 in words is "one hundred forty-five billion, two hundred thirty-five million, three hundred ninety thousand, eight hundred seventy-four".