153609990 has 16 divisors (see below), whose sum is σ = 368664048. Its totient is φ = 40962656.

The previous prime is 153609983. The next prime is 153610001. The reversal of 153609990 is 99906351.

153609990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

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, 2560137 + ... + 2560196.

It is an arithmetic number, because the mean of its divisors is an integer number (23041503).

Almost surely, 2^153609990 is an apocalyptic number.

153609990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153609990 is an abundant number, since it is smaller than the sum of its proper divisors (215054058).

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

153609990 is a wasteful number, since it uses less digits than its factorization.

153609990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120343.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 153609990 is about 12393.9497336402. The cubic root of 153609990 is about 535.5579702918.

The spelling of 153609990 in words is "one hundred fifty-three million, six hundred nine thousand, nine hundred ninety".