145534522 has 32 divisors (see below), whose sum is σ = 261218304. Its totient is φ = 59497200.

The previous prime is 145534481. The next prime is 145534531. The reversal of 145534522 is 225435541.

145534522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28453 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (8163072).

Almost surely, 2^145534522 is an apocalyptic number.

145534522 is a deficient number, since it is larger than the sum of its proper divisors (115683782).

145534522 is a wasteful number, since it uses less digits than its factorization.

145534522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its digits is 24000, while the sum is 31.

The square root of 145534522 is about 12063.7689798835. The cubic root of 145534522 is about 526.0035492539.

The spelling of 145534522 in words is "one hundred forty-five million, five hundred thirty-four thousand, five hundred twenty-two".