153640100 has 18 divisors (see below), whose sum is σ = 333399234. Its totient is φ = 61456000.

The previous prime is 153640093. The next prime is 153640121. The reversal of 153640100 is 1046351.

It can be written as a sum of positive squares in 3 ways, for example, as 10407076 + 143233024 = 3226^2 + 11968^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768101 + ... + 768300.

Almost surely, 2^153640100 is an apocalyptic number.

153640100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153640100 is an abundant number, since it is smaller than the sum of its proper divisors (179759134).

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

153640100 is a wasteful number, since it uses less digits than its factorization.

153640100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536415 (or 1536408 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 153640100 is about 12395.1643797087. The cubic root of 153640100 is about 535.5929606310.

Adding to 153640100 its reverse (1046351), we get a palindrome (154686451).

The spelling of 153640100 in words is "one hundred fifty-three million, six hundred forty thousand, one hundred".