151642100 has 18 divisors (see below), whose sum is σ = 329063574. Its totient is φ = 60656800.

The previous prime is 151642087. The next prime is 151642103. The reversal of 151642100 is 1246151.

It can be written as a sum of positive squares in 3 ways, for example, as 155236 + 151486864 = 394^2 + 12308^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151642103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 758111 + ... + 758310.

Almost surely, 2^151642100 is an apocalyptic number.

151642100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151642100 is an abundant number, since it is smaller than the sum of its proper divisors (177421474).

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

151642100 is a wasteful number, since it uses less digits than its factorization.

151642100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516435 (or 1516428 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 151642100 is about 12314.3046900749. The cubic root of 151642100 is about 533.2611317190.

Adding to 151642100 its reverse (1246151), we get a palindrome (152888251).

The spelling of 151642100 in words is "one hundred fifty-one million, six hundred forty-two thousand, one hundred".