147772464 has 40 divisors (see below), whose sum is σ = 436281600. Its totient is φ = 42220608.

The previous prime is 147772463. The next prime is 147772489. The reversal of 147772464 is 464277741.

It is a happy number.

It is a super-2 number, since 2×147772464² = 43673402233262592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (147772463) 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, 219564 + ... + 220235.

It is an arithmetic number, because the mean of its divisors is an integer number (10907040).

Almost surely, 2^147772464 is an apocalyptic number.

147772464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

147772464 is an abundant number, since it is smaller than the sum of its proper divisors (288509136).

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

147772464 is a wasteful number, since it uses less digits than its factorization.

147772464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439817 (or 439811 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The square root of 147772464 is about 12156.1697915092. The cubic root of 147772464 is about 528.6860343234.

The spelling of 147772464 in words is "one hundred forty-seven million, seven hundred seventy-two thousand, four hundred sixty-four".