145990196 has 24 divisors (see below), whose sum is σ = 283971744. Its totient is φ = 65106080.

The previous prime is 145990193. The next prime is 145990213. The reversal of 145990196 is 691099541.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145990193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28970 + ... + 33633.

It is an arithmetic number, because the mean of its divisors is an integer number (11832156).

Almost surely, 2^145990196 is an apocalyptic number.

It is an amenable number.

145990196 is a deficient number, since it is larger than the sum of its proper divisors (137981548).

145990196 is a wasteful number, since it uses less digits than its factorization.

145990196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62671 (or 62669 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 145990196 is about 12082.6402743771. The cubic root of 145990196 is about 526.5519561813.

The spelling of 145990196 in words is "one hundred forty-five million, nine hundred ninety thousand, one hundred ninety-six".