145548254 has 32 divisors (see below), whose sum is σ = 236579616. Its totient is φ = 66908160.

The previous prime is 145548253. The next prime is 145548307. The reversal of 145548254 is 452845541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145548251) 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, 412142 + ... + 412494.

It is an arithmetic number, because the mean of its divisors is an integer number (7393113).

Almost surely, 2^145548254 is an apocalyptic number.

145548254 is a deficient number, since it is larger than the sum of its proper divisors (91031362).

145548254 is a wasteful number, since it uses less digits than its factorization.

145548254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 128000, while the sum is 38.

The square root of 145548254 is about 12064.3381086573. The cubic root of 145548254 is about 526.0200925305.

The spelling of 145548254 in words is "one hundred forty-five million, five hundred forty-eight thousand, two hundred fifty-four".