147144770 has 32 divisors (see below), whose sum is σ = 268849152. Its totient is φ = 57978432.

The previous prime is 147144737. The next prime is 147144773. The reversal of 147144770 is 77441741.

It is a self number, because there is not a number n which added to its sum of digits gives 147144770.

It is not an unprimeable number, because it can be changed into a prime (147144773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383999 + ... + 384381.

It is an arithmetic number, because the mean of its divisors is an integer number (8401536).

Almost surely, 2^147144770 is an apocalyptic number.

147144770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147144770 is a deficient number, since it is larger than the sum of its proper divisors (121704382).

147144770 is a wasteful number, since it uses less digits than its factorization.

147144770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 147144770 is about 12130.3243979706. The cubic root of 147144770 is about 527.9364042818.

The spelling of 147144770 in words is "one hundred forty-seven million, one hundred forty-four thousand, seven hundred seventy".