145636738 has 16 divisors (see below), whose sum is σ = 240266880. Its totient is φ = 65786256.

The previous prime is 145636723. The next prime is 145636741. The reversal of 145636738 is 837636541.

It is a junction number, because it is equal to n+sod(n) for n = 145636694 and 145636703.

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, 58368 + ... + 60811.

It is an arithmetic number, because the mean of its divisors is an integer number (15016680).

Almost surely, 2^145636738 is an apocalyptic number.

145636738 is a deficient number, since it is larger than the sum of its proper divisors (94630142).

145636738 is a wasteful number, since it uses less digits than its factorization.

145636738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119241.

The product of its digits is 362880, while the sum is 43.

The square root of 145636738 is about 12068.0047232341. The cubic root of 145636738 is about 526.1266664256.

The spelling of 145636738 in words is "one hundred forty-five million, six hundred thirty-six thousand, seven hundred thirty-eight".