145731744460 has 12 divisors (see below), whose sum is σ = 306036663408. Its totient is φ = 58292697776.

The previous prime is 145731744449. The next prime is 145731744461. The reversal of 145731744460 is 64447137541.

It is a self number, because there is not a number n which added to its sum of digits gives 145731744460.

It is not an unprimeable number, because it can be changed into a prime (145731744461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643293592 + ... + 3643293631.

It is an arithmetic number, because the mean of its divisors is an integer number (25503055284).

Almost surely, 2^145731744460 is an apocalyptic number.

145731744460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145731744460 is an abundant number, since it is smaller than the sum of its proper divisors (160304918948).

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

145731744460 is a wasteful number, since it uses less digits than its factorization.

145731744460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286587232 (or 7286587230 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 145731744460 in words is "one hundred forty-five billion, seven hundred thirty-one million, seven hundred forty-four thousand, four hundred sixty".