145315232056 has 32 divisors (see below), whose sum is σ = 278354952000. Its totient is φ = 71088264576.

The previous prime is 145315231987. The next prime is 145315232057. The reversal of 145315232056 is 650232513541.

145315232056 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 2×145315232056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145315232057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106830 + ... + 1231138.

It is an arithmetic number, because the mean of its divisors is an integer number (8698592250).

Almost surely, 2^145315232056 is an apocalyptic number.

It is an amenable number.

145315232056 is a deficient number, since it is larger than the sum of its proper divisors (133039719944).

145315232056 is a wasteful number, since it uses less digits than its factorization.

145315232056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127471 (or 127467 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 145315232056 its reverse (650232513541), we get a palindrome (795547745597).

The spelling of 145315232056 in words is "one hundred forty-five billion, three hundred fifteen million, two hundred thirty-two thousand, fifty-six".