145627684 has 6 divisors (see below), whose sum is σ = 254848454. Its totient is φ = 72813840.

The previous prime is 145627681. The next prime is 145627687. The reversal of 145627684 is 486726541.

It is an interprime number because it is at equal distance from previous prime (145627681) and next prime (145627687).

It can be written as a sum of positive squares in only one way, i.e., 119902500 + 25725184 = 10950^2 + 5072^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145627684.

It is not an unprimeable number, because it can be changed into a prime (145627681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18203457 + ... + 18203464.

Almost surely, 2^145627684 is an apocalyptic number.

It is an amenable number.

145627684 is a deficient number, since it is larger than the sum of its proper divisors (109220770).

145627684 is a wasteful number, since it uses less digits than its factorization.

145627684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36406925 (or 36406923 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 145627684 is about 12067.6295932548. The cubic root of 145627684 is about 526.1157633856.

The spelling of 145627684 in words is "one hundred forty-five million, six hundred twenty-seven thousand, six hundred eighty-four".