147561151 has 4 divisors (see below), whose sum is σ = 148687704. Its totient is φ = 146434600.

The previous prime is 147561121. The next prime is 147561157. The reversal of 147561151 is 151165741.

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 147561151 - 2⁵ = 147561119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147561157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563080 + ... + 563341.

It is an arithmetic number, because the mean of its divisors is an integer number (37171926).

Almost surely, 2^147561151 is an apocalyptic number.

147561151 is a deficient number, since it is larger than the sum of its proper divisors (1126553).

147561151 is a wasteful number, since it uses less digits than its factorization.

147561151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126552.

The product of its digits is 4200, while the sum is 31.

The square root of 147561151 is about 12147.4750874410. The cubic root of 147561151 is about 528.4339090329.

It can be divided in two parts, 1475 and 61151, that added together give a palindrome (62626).

The spelling of 147561151 in words is "one hundred forty-seven million, five hundred sixty-one thousand, one hundred fifty-one".