1145252501 has 8 divisors (see below), whose sum is σ = 1195387584. Its totient is φ = 1095145920.

The previous prime is 1145252477. The next prime is 1145252503. The reversal of 1145252501 is 1052525411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145252501 - 2¹⁰ = 1145251477 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 (1145252503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138845 + ... + 146861.

It is an arithmetic number, because the mean of its divisors is an integer number (149423448).

Almost surely, 2^1145252501 is an apocalyptic number.

It is an amenable number.

1145252501 is a deficient number, since it is larger than the sum of its proper divisors (50135083).

1145252501 is an equidigital number, since it uses as much as digits as its factorization.

1145252501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1145252501 is about 33841.5794696406. The cubic root of 1145252501 is about 1046.2458530639.

Adding to 1145252501 its reverse (1052525411), we get a palindrome (2197777912).

The spelling of 1145252501 in words is "one billion, one hundred forty-five million, two hundred fifty-two thousand, five hundred one".