145331354 has 24 divisors (see below), whose sum is σ = 262337940. Its totient is φ = 60135936.

The previous prime is 145331321. The next prime is 145331369. The reversal of 145331354 is 453133541.

It can be written as a sum of positive squares in 2 ways, for example, as 135187129 + 10144225 = 11627^2 + 3185^2 .

It is a super-2 number, since 2×145331354² = 42242404910946632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22727 + ... + 28410.

Almost surely, 2^145331354 is an apocalyptic number.

145331354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145331354 is a deficient number, since it is larger than the sum of its proper divisors (117006586).

145331354 is a wasteful number, since it uses less digits than its factorization.

145331354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51182 (or 51175 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 145331354 is about 12055.3454533663. The cubic root of 145331354 is about 525.7586661030.

Adding to 145331354 its reverse (453133541), we get a palindrome (598464895).

The spelling of 145331354 in words is "one hundred forty-five million, three hundred thirty-one thousand, three hundred fifty-four".