147537889 has 2 divisors, whose sum is σ = 147537890. Its totient is φ = 147537888.

The previous prime is 147537853. The next prime is 147537919. The reversal of 147537889 is 988735741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147501025 + 36864 = 12145^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 147537889 - 2¹¹ = 147535841 is a prime.

It is not a weakly prime, because it can be changed into another prime (147537809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73768944 + 73768945.

It is an arithmetic number, because the mean of its divisors is an integer number (73768945).

Almost surely, 2^147537889 is an apocalyptic number.

It is an amenable number.

147537889 is a deficient number, since it is larger than the sum of its proper divisors (1).

147537889 is an equidigital number, since it uses as much as digits as its factorization.

147537889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 147537889 is about 12146.5175667761. The cubic root of 147537889 is about 528.4061395838.

The spelling of 147537889 in words is "one hundred forty-seven million, five hundred thirty-seven thousand, eight hundred eighty-nine".