146072190 has 64 divisors (see below), whose sum is σ = 402589440. Its totient is φ = 33546240.

The previous prime is 146072137. The next prime is 146072191. The reversal of 146072190 is 91270641.

It is a happy number.

It is a super-2 number, since 2×146072190² = 42674169382792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146072191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5379 + ... + 17918.

It is an arithmetic number, because the mean of its divisors is an integer number (6290460).

Almost surely, 2^146072190 is an apocalyptic number.

146072190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146072190 is an abundant number, since it is smaller than the sum of its proper divisors (256517250).

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

146072190 is a wasteful number, since it uses less digits than its factorization.

146072190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23337.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 146072190 is about 12086.0328478786. The cubic root of 146072190 is about 526.6505153586.

The spelling of 146072190 in words is "one hundred forty-six million, seventy-two thousand, one hundred ninety".