145761434 has 32 divisors (see below), whose sum is σ = 284933376. Its totient is φ = 54270720.

The previous prime is 145761433. The next prime is 145761439. The reversal of 145761434 is 434167541.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 145761394 and 145761403.

It is not an unprimeable number, because it can be changed into a prime (145761431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20462 + ... + 26649.

It is an arithmetic number, because the mean of its divisors is an integer number (8904168).

Almost surely, 2^145761434 is an apocalyptic number.

145761434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145761434 is a deficient number, since it is larger than the sum of its proper divisors (139171942).

145761434 is a wasteful number, since it uses less digits than its factorization.

145761434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47150.

The product of its digits is 40320, while the sum is 35.

The square root of 145761434 is about 12073.1700062577. The cubic root of 145761434 is about 526.2767823382.

The spelling of 145761434 in words is "one hundred forty-five million, seven hundred sixty-one thousand, four hundred thirty-four".