151643451020 has 24 divisors (see below), whose sum is σ = 320292013104. Its totient is φ = 60306758336.

The previous prime is 151643450977. The next prime is 151643451049. The reversal of 151643451020 is 20154346151.

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, 21910334 + ... + 21917253.

It is an arithmetic number, because the mean of its divisors is an integer number (13345500546).

Almost surely, 2^151643451020 is an apocalyptic number.

151643451020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151643451020 is an abundant number, since it is smaller than the sum of its proper divisors (168648562084).

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

151643451020 is a wasteful number, since it uses less digits than its factorization.

151643451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43827769 (or 43827767 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 151643451020 its reverse (20154346151), we get a palindrome (171797797171).

The spelling of 151643451020 in words is "one hundred fifty-one billion, six hundred forty-three million, four hundred fifty-one thousand, twenty".