145637046 has 24 divisors (see below), whose sum is σ = 319994064. Its totient is φ = 47861520.

The previous prime is 145637027. The next prime is 145637047. The reversal of 145637046 is 640736541.

It is a happy number.

145637046 is a `hidden beast` number, since 14 + 5 + 637 + 0 + 4 + 6 = 666.

It is a super-2 number, since 2×145637046² = 42420298335212232, 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 145637046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145637047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55701 + ... + 58256.

It is an arithmetic number, because the mean of its divisors is an integer number (13333086).

Almost surely, 2^145637046 is an apocalyptic number.

145637046 is an abundant number, since it is smaller than the sum of its proper divisors (174357018).

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

145637046 is a wasteful number, since it uses less digits than its factorization.

145637046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114036 (or 114033 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 145637046 is about 12068.0174842432. The cubic root of 145637046 is about 526.1270373185.

It can be divided in two parts, 14563 and 7046, that added together give a square (21609 = 147²).

The spelling of 145637046 in words is "one hundred forty-five million, six hundred thirty-seven thousand, forty-six".