145642354 has 16 divisors (see below), whose sum is σ = 256656960. Its totient is φ = 61108560.

The previous prime is 145642339. The next prime is 145642361. The reversal of 145642354 is 453246541.

145642354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145642354² = 42423390557322632, which contains 22 as substring.

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, 254334 + ... + 254905.

It is an arithmetic number, because the mean of its divisors is an integer number (16041060).

Almost surely, 2^145642354 is an apocalyptic number.

145642354 is a deficient number, since it is larger than the sum of its proper divisors (111014606).

145642354 is a wasteful number, since it uses less digits than its factorization.

145642354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509265.

The product of its digits is 57600, while the sum is 34.

The square root of 145642354 is about 12068.2374023716. The cubic root of 145642354 is about 526.1334291180.

Adding to 145642354 its reverse (453246541), we get a palindrome (598888895).

The spelling of 145642354 in words is "one hundred forty-five million, six hundred forty-two thousand, three hundred fifty-four".