145367628 has 24 divisors (see below), whose sum is σ = 387647232. Its totient is φ = 41533584.

The previous prime is 145367609. The next prime is 145367653. The reversal of 145367628 is 826763541.

It is a super-2 number, since 2×145367628² = 42263494540692768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 145367628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865200 + ... + 865367.

It is an arithmetic number, because the mean of its divisors is an integer number (16151968).

Almost surely, 2^145367628 is an apocalyptic number.

It is an amenable number.

145367628 is an abundant number, since it is smaller than the sum of its proper divisors (242279604).

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

145367628 is a wasteful number, since it uses less digits than its factorization.

145367628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730581 (or 1730579 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 145367628 is about 12056.8498373331. The cubic root of 145367628 is about 525.8024047339.

The spelling of 145367628 in words is "one hundred forty-five million, three hundred sixty-seven thousand, six hundred twenty-eight".