45225425 has 24 divisors (see below), whose sum is σ = 64686336. Its totient is φ = 30723840.

The previous prime is 45225407. The next prime is 45225449. The reversal of 45225425 is 52452254.

It is not a de Polignac number, because 45225425 - 2⁶ = 45225361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18632 + ... + 20918.

It is an arithmetic number, because the mean of its divisors is an integer number (2695264).

Almost surely, 2^45225425 is an apocalyptic number.

It is an amenable number.

45225425 is a deficient number, since it is larger than the sum of its proper divisors (19460911).

45225425 is a wasteful number, since it uses less digits than its factorization.

45225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2412 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 45225425 is about 6724.9851300951. The cubic root of 45225425 is about 356.2822767514.

Adding to 45225425 its reverse (52452254), we get a palindrome (97677679).

It can be divided in two parts, 452 and 25425, that multiplied together give a square (11492100 = 3390²).

The spelling of 45225425 in words is "forty-five million, two hundred twenty-five thousand, four hundred twenty-five".