147452919 has 16 divisors (see below), whose sum is σ = 200304384. Its totient is φ = 96465600.

The previous prime is 147452869. The next prime is 147452953. The reversal of 147452919 is 919254741.

It is not a de Polignac number, because 147452919 - 2⁸ = 147452663 is a prime.

It is a super-2 number, since 2×147452919² = 43484726643241122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147452989) 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, 44614 + ... + 47804.

It is an arithmetic number, because the mean of its divisors is an integer number (12519024).

Almost surely, 2^147452919 is an apocalyptic number.

147452919 is a deficient number, since it is larger than the sum of its proper divisors (52851465).

147452919 is a wasteful number, since it uses less digits than its factorization.

147452919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its digits is 90720, while the sum is 42.

The square root of 147452919 is about 12143.0193526981. The cubic root of 147452919 is about 528.3046802410.

The spelling of 147452919 in words is "one hundred forty-seven million, four hundred fifty-two thousand, nine hundred nineteen".