145251434 has 16 divisors (see below), whose sum is σ = 231216768. Its totient is φ = 68198592.

The previous prime is 145251427. The next prime is 145251439. The reversal of 145251434 is 434152541.

It is a junction number, because it is equal to n+sod(n) for n = 145251397 and 145251406.

It is not an unprimeable number, because it can be changed into a prime (145251439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11129 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (14451048).

Almost surely, 2^145251434 is an apocalyptic number.

145251434 is a deficient number, since it is larger than the sum of its proper divisors (85965334).

145251434 is a wasteful number, since it uses less digits than its factorization.

145251434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709.

The product of its digits is 9600, while the sum is 29.

The square root of 145251434 is about 12052.0302853918. The cubic root of 145251434 is about 525.6622741085.

The spelling of 145251434 in words is "one hundred forty-five million, two hundred fifty-one thousand, four hundred thirty-four".