145230662540 has 24 divisors (see below), whose sum is σ = 310738816080. Its totient is φ = 56996184128.

The previous prime is 145230662503. The next prime is 145230662579. The reversal of 145230662540 is 45266032541.

It is a junction number, because it is equal to n+sod(n) for n = 145230662494 and 145230662503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68503970 + ... + 68506089.

It is an arithmetic number, because the mean of its divisors is an integer number (12947450670).

Almost surely, 2^145230662540 is an apocalyptic number.

145230662540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145230662540 is an abundant number, since it is smaller than the sum of its proper divisors (165508153540).

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

145230662540 is a wasteful number, since it uses less digits than its factorization.

145230662540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137010121 (or 137010119 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 145230662540 in words is "one hundred forty-five billion, two hundred thirty million, six hundred sixty-two thousand, five hundred forty".