145336634 has 4 divisors (see below), whose sum is σ = 218004954. Its totient is φ = 72668316.

The previous prime is 145336573. The next prime is 145336651. The reversal of 145336634 is 436633541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 1216609 = 12005^2 + 1103^2 .

It is a super-2 number, since 2×145336634² = 42245474364899912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145336594 and 145336603.

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 as a sum of consecutive naturals, namely, 36334157 + ... + 36334160.

Almost surely, 2^145336634 is an apocalyptic number.

145336634 is a deficient number, since it is larger than the sum of its proper divisors (72668320).

145336634 is an equidigital number, since it uses as much as digits as its factorization.

145336634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72668319.

The product of its digits is 77760, while the sum is 35.

The square root of 145336634 is about 12055.5644413690. The cubic root of 145336634 is about 525.7650330982.

The spelling of 145336634 in words is "one hundred forty-five million, three hundred thirty-six thousand, six hundred thirty-four".