145277352 has 96 divisors (see below), whose sum is σ = 436644000. Its totient is φ = 43263360.

The previous prime is 145277351. The next prime is 145277357. The reversal of 145277352 is 253772541.

145277352 is a `hidden beast` number, since 14 + 527 + 73 + 52 = 666.

It is a super-2 number, since 2×145277352² = 42211018008263808, 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 (145277351) 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, 45174 + ... + 48282.

It is an arithmetic number, because the mean of its divisors is an integer number (4548375).

Almost surely, 2^145277352 is an apocalyptic number.

145277352 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 145277352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218322000).

145277352 is an abundant number, since it is smaller than the sum of its proper divisors (291366648).

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

145277352 is a wasteful number, since it uses less digits than its factorization.

145277352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3184 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 145277352 is about 12053.1054919469. The cubic root of 145277352 is about 525.6935378379.

The spelling of 145277352 in words is "one hundred forty-five million, two hundred seventy-seven thousand, three hundred fifty-two".