153942090 has 32 divisors (see below), whose sum is σ = 371739456. Its totient is φ = 40798080.

The previous prime is 153942071. The next prime is 153942097. The reversal of 153942090 is 90249351.

It is not an unprimeable number, because it can be changed into a prime (153942097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10851 + ... + 20630.

It is an arithmetic number, because the mean of its divisors is an integer number (11616858).

Almost surely, 2^153942090 is an apocalyptic number.

153942090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153942090 is an abundant number, since it is smaller than the sum of its proper divisors (217797366).

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

153942090 is a wasteful number, since it uses less digits than its factorization.

153942090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31654.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 153942090 is about 12407.3401662081. The cubic root of 153942090 is about 535.9436456865.

The spelling of 153942090 in words is "one hundred fifty-three million, nine hundred forty-two thousand, ninety".