145051425 has 24 divisors (see below), whose sum is σ = 266466080. Its totient is φ = 77360400.

The previous prime is 145051391. The next prime is 145051451. The reversal of 145051425 is 524150541.

145051425 is a `hidden beast` number, since 14 + 505 + 142 + 5 = 666.

It is not a de Polignac number, because 145051425 - 2¹³ = 145043233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 106771 + ... + 108120.

Almost surely, 2^145051425 is an apocalyptic number.

145051425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145051425 is a deficient number, since it is larger than the sum of its proper divisors (121414655).

145051425 is a wasteful number, since it uses less digits than its factorization.

145051425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214910 (or 214899 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 145051425 is about 12043.7296964022. The cubic root of 145051425 is about 525.4208869790.

The spelling of 145051425 in words is "one hundred forty-five million, fifty-one thousand, four hundred twenty-five".