145890409836 has 48 divisors (see below), whose sum is σ = 341591685344. Its totient is φ = 48461607936.

The previous prime is 145890409829. The next prime is 145890409867. The reversal of 145890409836 is 638904098541.

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, 9265026 + ... + 9280758.

Almost surely, 2^145890409836 is an apocalyptic number.

It is an amenable number.

145890409836 is an abundant number, since it is smaller than the sum of its proper divisors (195701275508).

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

145890409836 is a wasteful number, since it uses less digits than its factorization.

145890409836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370 (or 18368 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 145890409836 in words is "one hundred forty-five billion, eight hundred ninety million, four hundred nine thousand, eight hundred thirty-six".