147745044 has 36 divisors (see below), whose sum is σ = 375953760. Its totient is φ = 48920400.

The previous prime is 147745043. The next prime is 147745049. The reversal of 147745044 is 440547741.

It is a happy number.

147745044 is a `hidden beast` number, since 147 + 7 + 4 + 504 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147745043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8154 + ... + 19025.

It is an arithmetic number, because the mean of its divisors is an integer number (10443160).

Almost surely, 2^147745044 is an apocalyptic number.

It is an amenable number.

147745044 is an abundant number, since it is smaller than the sum of its proper divisors (228208716).

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

147745044 is a wasteful number, since it uses less digits than its factorization.

147745044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27340 (or 27335 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 147745044 is about 12155.0419168343. The cubic root of 147745044 is about 528.6533320923.

The spelling of 147745044 in words is "one hundred forty-seven million, seven hundred forty-five thousand, forty-four".