145660634 has 12 divisors (see below), whose sum is σ = 254163114. Its totient is φ = 62425944.

The previous prime is 145660621. The next prime is 145660663. The reversal of 145660634 is 436066541.

145660634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79156609 + 66504025 = 8897^2 + 8155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145660594 and 145660603.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743069 + ... + 743264.

Almost surely, 2^145660634 is an apocalyptic number.

145660634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145660634 is a deficient number, since it is larger than the sum of its proper divisors (108502480).

145660634 is a wasteful number, since it uses less digits than its factorization.

145660634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486349 (or 1486342 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 145660634 is about 12068.9947385853. The cubic root of 145660634 is about 526.1554403816.

The spelling of 145660634 in words is "one hundred forty-five million, six hundred sixty thousand, six hundred thirty-four".