145251430 has 64 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 53424000.

The previous prime is 145251427. The next prime is 145251439. The reversal of 145251430 is 34152541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145251395 and 145251404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145251439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961855 + ... + 962005.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^145251430 is an apocalyptic number.

145251430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145251430 is a deficient number, since it is larger than the sum of its proper divisors (138417050).

145251430 is a wasteful number, since it uses less digits than its factorization.

145251430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

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

The square root of 145251430 is about 12052.0301194446. The cubic root of 145251430 is about 525.6622692832.

The spelling of 145251430 in words is "one hundred forty-five million, two hundred fifty-one thousand, four hundred thirty".