147412919 has 4 divisors (see below), whose sum is σ = 147451920. Its totient is φ = 147373920.

The previous prime is 147412913. The next prime is 147412927. The reversal of 147412919 is 919214741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147412919 - 2¹² = 147408823 is a prime.

It is a super-2 number, since 2×147412919² = 43461137376201122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147412913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13139 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (36862980).

Almost surely, 2^147412919 is an apocalyptic number.

147412919 is a deficient number, since it is larger than the sum of its proper divisors (39001).

147412919 is an equidigital number, since it uses as much as digits as its factorization.

147412919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39000.

The product of its digits is 18144, while the sum is 38.

The square root of 147412919 is about 12141.3722041621. The cubic root of 147412919 is about 528.2569043170.

The spelling of 147412919 in words is "one hundred forty-seven million, four hundred twelve thousand, nine hundred nineteen".