145506748 has 6 divisors (see below), whose sum is σ = 254636816. Its totient is φ = 72753372.

The previous prime is 145506737. The next prime is 145506749. The reversal of 145506748 is 847605541.

It is a self number, because there is not a number n which added to its sum of digits gives 145506748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145506749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18188340 + ... + 18188347.

Almost surely, 2^145506748 is an apocalyptic number.

It is an amenable number.

145506748 is a deficient number, since it is larger than the sum of its proper divisors (109130068).

145506748 is a wasteful number, since it uses less digits than its factorization.

145506748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36376691 (or 36376689 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 145506748 is about 12062.6177921710. The cubic root of 145506748 is about 525.9700860549.

The spelling of 145506748 in words is "one hundred forty-five million, five hundred six thousand, seven hundred forty-eight".