151547503642 has 4 divisors (see below), whose sum is σ = 227321255466. Its totient is φ = 75773751820.

The previous prime is 151547503579. The next prime is 151547503643. The reversal of 151547503642 is 246305745151.

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., 109858439601 + 41689064041 = 331449^2 + 204179^2 .

It is not an unprimeable number, because it can be changed into a prime (151547503643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37886875909 + ... + 37886875912.

Almost surely, 2^151547503642 is an apocalyptic number.

151547503642 is a deficient number, since it is larger than the sum of its proper divisors (75773751824).

151547503642 is an equidigital number, since it uses as much as digits as its factorization.

151547503642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75773751823.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 151547503642 in words is "one hundred fifty-one billion, five hundred forty-seven million, five hundred three thousand, six hundred forty-two".