145354158 has 24 divisors (see below), whose sum is σ = 328627728. Its totient is φ = 46344672.

The previous prime is 145354151. The next prime is 145354159. The reversal of 145354158 is 851453541.

145354158 is a `hidden beast` number, since 1 + 453 + 54 + 158 = 666.

It is a super-2 number, since 2×145354158² = 42255662495777928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145354151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175135 + ... + 175962.

It is an arithmetic number, because the mean of its divisors is an integer number (13692822).

Almost surely, 2^145354158 is an apocalyptic number.

145354158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145354158 is an abundant number, since it is smaller than the sum of its proper divisors (183273570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145354158 is a wasteful number, since it uses less digits than its factorization.

145354158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351128 (or 351125 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 145354158 is about 12056.2912207693. The cubic root of 145354158 is about 525.7861636646.

It can be divided in two parts, 1453 and 54158, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 145354158 in words is "one hundred forty-five million, three hundred fifty-four thousand, one hundred fifty-eight".