157019190 has 64 divisors (see below), whose sum is σ = 385413120. Its totient is φ = 40930560.

The previous prime is 157019189. The next prime is 157019201. The reversal of 157019190 is 91910751.

157019190 = T₂₂₀ + T₂₂₁ + ... + T₉₈₃.

It is a happy number.

It is a super-2 number, since 2×157019190² = 49310052056512200, which contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 383706 + ... + 384114.

It is an arithmetic number, because the mean of its divisors is an integer number (6022080).

Almost surely, 2^157019190 is an apocalyptic number.

157019190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157019190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192706560).

157019190 is an abundant number, since it is smaller than the sum of its proper divisors (228393930).

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

157019190 is a wasteful number, since it uses less digits than its factorization.

157019190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 157019190 is about 12530.7298271090. The cubic root of 157019190 is about 539.4910499577.

The spelling of 157019190 in words is "one hundred fifty-seven million, nineteen thousand, one hundred ninety".