145134502 has 16 divisors (see below), whose sum is σ = 237063600. Its totient is φ = 66376800.

The previous prime is 145134463. The next prime is 145134551. The reversal of 145134502 is 205431541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64749 + ... + 66952.

It is an arithmetic number, because the mean of its divisors is an integer number (14816475).

Almost surely, 2^145134502 is an apocalyptic number.

145134502 is a deficient number, since it is larger than the sum of its proper divisors (91929098).

145134502 is a wasteful number, since it uses less digits than its factorization.

145134502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131751.

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

The square root of 145134502 is about 12047.1781758219. The cubic root of 145134502 is about 525.5211779854.

It can be divided in two parts, 1451 and 34502, that added together give a palindrome (35953).

The spelling of 145134502 in words is "one hundred forty-five million, one hundred thirty-four thousand, five hundred two".