1150142501 has 4 divisors (see below), whose sum is σ = 1187243904. Its totient is φ = 1113041100.

The previous prime is 1150142479. The next prime is 1150142533. The reversal of 1150142501 is 1052410511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1052410511 = 47 ⋅22391713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150142501 is a prime.

It is a super-3 number, since 3×1150142501³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150142101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18550655 + ... + 18550716.

It is an arithmetic number, because the mean of its divisors is an integer number (296810976).

Almost surely, 2^1150142501 is an apocalyptic number.

It is an amenable number.

1150142501 is a deficient number, since it is larger than the sum of its proper divisors (37101403).

1150142501 is an equidigital number, since it uses as much as digits as its factorization.

1150142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37101402.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1150142501 is about 33913.7509131621. The cubic root of 1150142501 is about 1047.7328258217.

The spelling of 1150142501 in words is "one billion, one hundred fifty million, one hundred forty-two thousand, five hundred one".