145461425 has 6 divisors (see below), whose sum is σ = 180372198. Its totient is φ = 116369120.

The previous prime is 145461413. The next prime is 145461431. The reversal of 145461425 is 524164541.

It can be written as a sum of positive squares in 3 ways, for example, as 283024 + 145178401 = 532^2 + 12049^2 .

It is not a de Polignac number, because 145461425 - 2⁴ = 145461409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145461391 and 145461400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2909204 + ... + 2909253.

It is an arithmetic number, because the mean of its divisors is an integer number (30062033).

Almost surely, 2^145461425 is an apocalyptic number.

It is an amenable number.

145461425 is a deficient number, since it is larger than the sum of its proper divisors (34910773).

145461425 is an equidigital number, since it uses as much as digits as its factorization.

145461425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818467 (or 5818462 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 145461425 is about 12060.7389906257. The cubic root of 145461425 is about 525.9154699905.

The spelling of 145461425 in words is "one hundred forty-five million, four hundred sixty-one thousand, four hundred twenty-five".