145336238472 has 64 divisors (see below), whose sum is σ = 368109722880. Its totient is φ = 47813622272.

The previous prime is 145336238461. The next prime is 145336238491. The reversal of 145336238472 is 274832633541.

145336238472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145336238472² (a number of 23 digits) contains 22 as substring.

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, 441073 + ... + 696575.

It is an arithmetic number, because the mean of its divisors is an integer number (5751714420).

Almost surely, 2^145336238472 is an apocalyptic number.

145336238472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145336238472 is an abundant number, since it is smaller than the sum of its proper divisors (222773484408).

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

145336238472 is a wasteful number, since it uses less digits than its factorization.

145336238472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255822 (or 255818 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 48.

The spelling of 145336238472 in words is "one hundred forty-five billion, three hundred thirty-six million, two hundred thirty-eight thousand, four hundred seventy-two".