145281762 has 80 divisors (see below), whose sum is σ = 350013312. Its totient is φ = 44876160.

The previous prime is 145281761. The next prime is 145281769. The reversal of 145281762 is 267182541.

It is a super-2 number, since 2×145281762² = 42213580739649288, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145281761) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195163 + ... + 195905.

Almost surely, 2^145281762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145281762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175006656).

145281762 is an abundant number, since it is smaller than the sum of its proper divisors (204731550).

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

145281762 is a wasteful number, since it uses less digits than its factorization.

145281762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 836 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 145281762 is about 12053.2884309636. The cubic root of 145281762 is about 525.6988570543.

It can be divided in two parts, 14528 and 1762, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 145281762 in words is "one hundred forty-five million, two hundred eighty-one thousand, seven hundred sixty-two".