145678736 has 40 divisors (see below), whose sum is σ = 327877824. Its totient is φ = 61407360.

The previous prime is 145678717. The next prime is 145678739. The reversal of 145678736 is 637876541.

It is not an unprimeable number, because it can be changed into a prime (145678739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3830 + ... + 17493.

Almost surely, 2^145678736 is an apocalyptic number.

145678736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145678736 is an abundant number, since it is smaller than the sum of its proper divisors (182199088).

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

145678736 is a wasteful number, since it uses less digits than its factorization.

145678736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21399 (or 21393 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 145678736 is about 12069.7446534713. The cubic root of 145678736 is about 526.1772354976.

The spelling of 145678736 in words is "one hundred forty-five million, six hundred seventy-eight thousand, seven hundred thirty-six".