146986772 has 6 divisors (see below), whose sum is σ = 257226858. Its totient is φ = 73493384.

The previous prime is 146986769. The next prime is 146986783. The reversal of 146986772 is 277689641.

146986772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140090896 + 6895876 = 11836^2 + 2626^2 .

It is a super-2 number, since 2×146986772² = 43210222285959968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146986772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18373343 + ... + 18373350.

It is an arithmetic number, because the mean of its divisors is an integer number (42871143).

Almost surely, 2^146986772 is an apocalyptic number.

It is an amenable number.

146986772 is a deficient number, since it is larger than the sum of its proper divisors (110240086).

146986772 is a wasteful number, since it uses less digits than its factorization.

146986772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36746697 (or 36746695 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 146986772 is about 12123.8101271836. The cubic root of 146986772 is about 527.7473778128.

The spelling of 146986772 in words is "one hundred forty-six million, nine hundred eighty-six thousand, seven hundred seventy-two".