157450290 has 16 divisors (see below), whose sum is σ = 377880768. Its totient is φ = 41986736.

The previous prime is 157450261. The next prime is 157450301. The reversal of 157450290 is 92054751.

It is a Curzon 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, 2624142 + ... + 2624201.

It is an arithmetic number, because the mean of its divisors is an integer number (23617548).

Almost surely, 2^157450290 is an apocalyptic number.

157450290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157450290 is an abundant number, since it is smaller than the sum of its proper divisors (220430478).

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

157450290 is a wasteful number, since it uses less digits than its factorization.

157450290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248353.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 157450290 is about 12547.9197479104. The cubic root of 157450290 is about 539.9843273915.

The spelling of 157450290 in words is "one hundred fifty-seven million, four hundred fifty thousand, two hundred ninety".