145738748 has 6 divisors (see below), whose sum is σ = 255042816. Its totient is φ = 72869372.

The previous prime is 145738727. The next prime is 145738753. The reversal of 145738748 is 847837541.

It is a happy number.

145738748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18217340 + ... + 18217347.

It is an arithmetic number, because the mean of its divisors is an integer number (42507136).

Almost surely, 2^145738748 is an apocalyptic number.

It is an amenable number.

145738748 is a deficient number, since it is larger than the sum of its proper divisors (109304068).

145738748 is a wasteful number, since it uses less digits than its factorization.

145738748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36434691 (or 36434689 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 145738748 is about 12072.2304484300. The cubic root of 145738748 is about 526.2494780548.

The spelling of 145738748 in words is "one hundred forty-five million, seven hundred thirty-eight thousand, seven hundred forty-eight".