2145046425 has 24 divisors (see below), whose sum is σ = 3579026880. Its totient is φ = 1133524800.

The previous prime is 2145046373. The next prime is 2145046427. The reversal of 2145046425 is 5246405412.

It is not a de Polignac number, because 2145046425 - 2⁶ = 2145046361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145046427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123021 + ... + 139370.

It is an arithmetic number, because the mean of its divisors is an integer number (149126120).

Almost surely, 2^2145046425 is an apocalyptic number.

2145046425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145046425 is a deficient number, since it is larger than the sum of its proper divisors (1433980455).

2145046425 is a wasteful number, since it uses less digits than its factorization.

2145046425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262513 (or 262508 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2145046425 is about 46314.6459017015. The cubic root of 2145046425 is about 1289.6708943521.

The spelling of 2145046425 in words is "two billion, one hundred forty-five million, forty-six thousand, four hundred twenty-five".