151611487 has 4 divisors (see below), whose sum is σ = 151697016. Its totient is φ = 151525960.

The previous prime is 151611433. The next prime is 151611497. The reversal of 151611487 is 784116151.

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 151611487 - 2¹⁹ = 151087199 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 (151611497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40048 + ... + 43669.

It is an arithmetic number, because the mean of its divisors is an integer number (37924254).

Almost surely, 2^151611487 is an apocalyptic number.

151611487 is a deficient number, since it is larger than the sum of its proper divisors (85529).

151611487 is an equidigital number, since it uses as much as digits as its factorization.

151611487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85528.

The product of its digits is 6720, while the sum is 34.

The square root of 151611487 is about 12313.0616420125. The cubic root of 151611487 is about 533.2252449794.

The spelling of 151611487 in words is "one hundred fifty-one million, six hundred eleven thousand, four hundred eighty-seven".