151430425 has 24 divisors (see below), whose sum is σ = 193784472. Its totient is φ = 117312000.

The previous prime is 151430417. The next prime is 151430449. The reversal of 151430425 is 524034151.

151430425 = 1048² + 1049² + ... + 1170².

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 87366409 + 64064016 = 9347^2 + 8004^2 .

It is not a de Polignac number, because 151430425 - 2³ = 151430417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 151430425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160455 + ... + 161395.

It is an arithmetic number, because the mean of its divisors is an integer number (8074353).

Almost surely, 2^151430425 is an apocalyptic number.

It is an amenable number.

151430425 is a deficient number, since it is larger than the sum of its proper divisors (42354047).

151430425 is a wasteful number, since it uses less digits than its factorization.

151430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 151430425 is about 12305.7070093514. The cubic root of 151430425 is about 533.0128923615.

Adding to 151430425 its reverse (524034151), we get a palindrome (675464576).

The spelling of 151430425 in words is "one hundred fifty-one million, four hundred thirty thousand, four hundred twenty-five".