145761634 has 8 divisors (see below), whose sum is σ = 220110300. Its totient is φ = 72391536.

The previous prime is 145761593. The next prime is 145761647. The reversal of 145761634 is 436167541.

It can be written as a sum of positive squares in 2 ways, for example, as 141538609 + 4223025 = 11897^2 + 2055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145761593 and 145761602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244269 + ... + 244864.

Almost surely, 2^145761634 is an apocalyptic number.

145761634 is a deficient number, since it is larger than the sum of its proper divisors (74348666).

145761634 is a wasteful number, since it uses less digits than its factorization.

145761634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489284.

The product of its digits is 60480, while the sum is 37.

The square root of 145761634 is about 12073.1782890836. The cubic root of 145761634 is about 526.2770230405.

The spelling of 145761634 in words is "one hundred forty-five million, seven hundred sixty-one thousand, six hundred thirty-four".