147987562 has 4 divisors (see below), whose sum is σ = 221981346. Its totient is φ = 73993780.

The previous prime is 147987547. The next prime is 147987563. The reversal of 147987562 is 265789741.

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

It can be written as a sum of positive squares in only one way, i.e., 107931321 + 40056241 = 10389^2 + 6329^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (147987563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36996889 + ... + 36996892.

Almost surely, 2^147987562 is an apocalyptic number.

147987562 is a deficient number, since it is larger than the sum of its proper divisors (73993784).

147987562 is an equidigital number, since it uses as much as digits as its factorization.

147987562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73993783.

The product of its digits is 846720, while the sum is 49.

The square root of 147987562 is about 12165.0138512046. The cubic root of 147987562 is about 528.9424289033.

The spelling of 147987562 in words is "one hundred forty-seven million, nine hundred eighty-seven thousand, five hundred sixty-two".