145761140 has 24 divisors (see below), whose sum is σ = 349827072. Its totient is φ = 49975200.

The previous prime is 145761059. The next prime is 145761151. The reversal of 145761140 is 41167541.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520436 + ... + 520715.

It is an arithmetic number, because the mean of its divisors is an integer number (14576128).

Almost surely, 2^145761140 is an apocalyptic number.

145761140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145761140 is an abundant number, since it is smaller than the sum of its proper divisors (204065932).

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

145761140 is a wasteful number, since it uses less digits than its factorization.

145761140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041167 (or 1041165 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 145761140 is about 12073.1578304932. The cubic root of 145761140 is about 526.2764285056.

The spelling of 145761140 in words is "one hundred forty-five million, seven hundred sixty-one thousand, one hundred forty".