145500254 has 16 divisors (see below), whose sum is σ = 231603840. Its totient is φ = 68406360.

The previous prime is 145500247. The next prime is 145500281. The reversal of 145500254 is 452005541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24092 + ... + 29519.

It is an arithmetic number, because the mean of its divisors is an integer number (14475240).

Almost surely, 2^145500254 is an apocalyptic number.

145500254 is a deficient number, since it is larger than the sum of its proper divisors (86103586).

145500254 is a wasteful number, since it uses less digits than its factorization.

145500254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53695.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145500254 is about 12062.3486104490. The cubic root of 145500254 is about 525.9622612161.

Adding to 145500254 its reverse (452005541), we get a palindrome (597505795).

The spelling of 145500254 in words is "one hundred forty-five million, five hundred thousand, two hundred fifty-four".