1463125645 has 4 divisors (see below), whose sum is σ = 1755750780. Its totient is φ = 1170500512.

The previous prime is 1463125637. The next prime is 1463125691. The reversal of 1463125645 is 5465213641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5465213641 = 107 ⋅51076763.

It can be written as a sum of positive squares in 2 ways, for example, as 679853476 + 783272169 = 26074^2 + 27987^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463125645 - 2³ = 1463125637 is a prime.

It is a super-3 number, since 3×1463125645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146312560 + ... + 146312569.

It is an arithmetic number, because the mean of its divisors is an integer number (438937695).

Almost surely, 2^1463125645 is an apocalyptic number.

It is an amenable number.

1463125645 is a deficient number, since it is larger than the sum of its proper divisors (292625135).

1463125645 is an equidigital number, since it uses as much as digits as its factorization.

1463125645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292625134.

The product of its digits is 86400, while the sum is 37.

The square root of 1463125645 is about 38250.8254159306. The cubic root of 1463125645 is about 1135.2561784683.

The spelling of 1463125645 in words is "one billion, four hundred sixty-three million, one hundred twenty-five thousand, six hundred forty-five".