1345148425 has 6 divisors (see below), whose sum is σ = 1667984078. Its totient is φ = 1076118720.

The previous prime is 1345148423. The next prime is 1345148429. The reversal of 1345148425 is 5248415431.

It can be written as a sum of positive squares in 3 ways, for example, as 382163401 + 962985024 = 19549^2 + 31032^2 .

It is not a de Polignac number, because 1345148425 - 2¹ = 1345148423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345148423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26902944 + ... + 26902993.

Almost surely, 2^1345148425 is an apocalyptic number.

It is an amenable number.

1345148425 is a deficient number, since it is larger than the sum of its proper divisors (322835653).

1345148425 is an equidigital number, since it uses as much as digits as its factorization.

1345148425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53805947 (or 53805942 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 1345148425 is about 36676.2651451862. The cubic root of 1345148425 is about 1103.8839081985.

The spelling of 1345148425 in words is "one billion, three hundred forty-five million, one hundred forty-eight thousand, four hundred twenty-five".