145369152 has 168 divisors, whose sum is σ = 451713600. Its totient is φ = 44540928.

The previous prime is 145369151. The next prime is 145369183. The reversal of 145369152 is 251963541.

145369152 is a `hidden beast` number, since 145 + 369 + 152 = 666.

It is a super-2 number, since 2×145369152² = 42264380706398208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145369151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404749 + ... + 405107.

Almost surely, 2^145369152 is an apocalyptic number.

145369152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145369152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225856800).

145369152 is an abundant number, since it is smaller than the sum of its proper divisors (306344448).

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

145369152 is a wasteful number, since it uses less digits than its factorization.

145369152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 420 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 145369152 is about 12056.9130377556. The cubic root of 145369152 is about 525.8042421904.

The spelling of 145369152 in words is "one hundred forty-five million, three hundred sixty-nine thousand, one hundred fifty-two".