145311132 has 24 divisors (see below), whose sum is σ = 339254272. Its totient is φ = 48409200.

The previous prime is 145311119. The next prime is 145311151. The reversal of 145311132 is 231113541.

It is a super-2 number, since 2×145311132² = 42230650166242848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145311099 and 145311108.

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, 38907 + ... + 42477.

Almost surely, 2^145311132 is an apocalyptic number.

145311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145311132 is an abundant number, since it is smaller than the sum of its proper divisors (193943140).

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

145311132 is a wasteful number, since it uses less digits than its factorization.

145311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969 (or 6967 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 145311132 is about 12054.5067091109. The cubic root of 145311132 is about 525.7342795669.

Adding to 145311132 its reverse (231113541), we get a palindrome (376424673).

The spelling of 145311132 in words is "one hundred forty-five million, three hundred eleven thousand, one hundred thirty-two".