145871614490 has 16 divisors (see below), whose sum is σ = 300078749952. Its totient is φ = 50013124944.

The previous prime is 145871614477. The next prime is 145871614529. The reversal of 145871614490 is 94416178541.

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, 1041940034 + ... + 1041940173.

It is an arithmetic number, because the mean of its divisors is an integer number (18754921872).

Almost surely, 2^145871614490 is an apocalyptic number.

145871614490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145871614490 is an abundant number, since it is smaller than the sum of its proper divisors (154207135462).

145871614490 is a wasteful number, since it uses less digits than its factorization.

145871614490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083880221.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 145871614490 in words is "one hundred forty-five billion, eight hundred seventy-one million, six hundred fourteen thousand, four hundred ninety".