143772492 has 12 divisors (see below), whose sum is σ = 335469176. Its totient is φ = 47924160.

The previous prime is 143772479. The next prime is 143772523. The reversal of 143772492 is 294277341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 143772492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5990509 + ... + 5990532.

Almost surely, 2^143772492 is an apocalyptic number.

143772492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143772492 is an abundant number, since it is smaller than the sum of its proper divisors (191696684).

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

143772492 is a wasteful number, since it uses less digits than its factorization.

143772492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981048 (or 11981046 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 143772492 is about 11990.5167528343. The cubic root of 143772492 is about 523.8720964751.

The spelling of 143772492 in words is "one hundred forty-three million, seven hundred seventy-two thousand, four hundred ninety-two".