145854525 has 12 divisors (see below), whose sum is σ = 241146272. Its totient is φ = 77789040.

The previous prime is 145854503. The next prime is 145854559. The reversal of 145854525 is 525458541.

It is not a de Polignac number, because 145854525 - 2¹³ = 145846333 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972289 + ... + 972438.

Almost surely, 2^145854525 is an apocalyptic number.

145854525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145854525 is a deficient number, since it is larger than the sum of its proper divisors (95291747).

145854525 is a wasteful number, since it uses less digits than its factorization.

145854525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944740 (or 1944735 counting only the distinct ones).

The product of its digits is 160000, while the sum is 39.

The square root of 145854525 is about 12077.0246749769. The cubic root of 145854525 is about 526.3887946055.

It can be divided in two parts, 14585 and 4525, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 145854525 in words is "one hundred forty-five million, eight hundred fifty-four thousand, five hundred twenty-five".