190451156 has 24 divisors (see below), whose sum is σ = 383248320. Its totient is φ = 81119232.

The previous prime is 190451141. The next prime is 190451227. The reversal of 190451156 is 651154091.

190451156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16301 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (15968680).

Almost surely, 2^190451156 is an apocalyptic number.

It is an amenable number.

190451156 is an abundant number, since it is smaller than the sum of its proper divisors (192797164).

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

190451156 is a wasteful number, since it uses less digits than its factorization.

190451156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41903 (or 41901 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 190451156 is about 13800.4041969792. The cubic root of 190451156 is about 575.3443744272.

The spelling of 190451156 in words is "one hundred ninety million, four hundred fifty-one thousand, one hundred fifty-six".