145434525 has 24 divisors (see below), whose sum is σ = 242942784. Its totient is φ = 76761600.

The previous prime is 145434521. The next prime is 145434551. The reversal of 145434525 is 525434541.

It is not a de Polignac number, because 145434525 - 2² = 145434521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145434521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2721 + ... + 17270.

It is an arithmetic number, because the mean of its divisors is an integer number (10122616).

Almost surely, 2^145434525 is an apocalyptic number.

145434525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145434525 is a deficient number, since it is larger than the sum of its proper divisors (97508259).

145434525 is a wasteful number, since it uses less digits than its factorization.

145434525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20101 (or 20096 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 145434525 is about 12059.6237503498. The cubic root of 145434525 is about 525.8830490278.

The spelling of 145434525 in words is "one hundred forty-five million, four hundred thirty-four thousand, five hundred twenty-five".