145855132 has 12 divisors (see below), whose sum is σ = 257110560. Its totient is φ = 72394976.

The previous prime is 145855091. The next prime is 145855133. The reversal of 145855132 is 231558541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145855133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132532 + ... + 133627.

It is an arithmetic number, because the mean of its divisors is an integer number (21425880).

Almost surely, 2^145855132 is an apocalyptic number.

It is an amenable number.

145855132 is a deficient number, since it is larger than the sum of its proper divisors (111255428).

145855132 is a wasteful number, since it uses less digits than its factorization.

145855132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266300 (or 266298 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 145855132 is about 12077.0498053126. The cubic root of 145855132 is about 526.3895248252.

The spelling of 145855132 in words is "one hundred forty-five million, eight hundred fifty-five thousand, one hundred thirty-two".