145916742 has 32 divisors (see below), whose sum is σ = 295593984. Its totient is φ = 48016800.

The previous prime is 145916731. The next prime is 145916747. The reversal of 145916742 is 247619541.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 145916742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145916747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 179517 + ... + 180327.

It is an arithmetic number, because the mean of its divisors is an integer number (9237312).

Almost surely, 2^145916742 is an apocalyptic number.

145916742 is an abundant number, since it is smaller than the sum of its proper divisors (149677242).

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

145916742 is a wasteful number, since it uses less digits than its factorization.

145916742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 60480, while the sum is 39.

The square root of 145916742 is about 12079.6002417299. The cubic root of 145916742 is about 526.4636309901.

The spelling of 145916742 in words is "one hundred forty-five million, nine hundred sixteen thousand, seven hundred forty-two".