145186734 has 32 divisors (see below), whose sum is σ = 362025216. Its totient is φ = 37710720.

The previous prime is 145186711. The next prime is 145186739. The reversal of 145186734 is 437681541.

It is a junction number, because it is equal to n+sod(n) for n = 145186692 and 145186701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145186739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156667 + ... + 157590.

It is an arithmetic number, because the mean of its divisors is an integer number (11313288).

Almost surely, 2^145186734 is an apocalyptic number.

145186734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145186734 is an abundant number, since it is smaller than the sum of its proper divisors (216838482).

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

145186734 is a wasteful number, since it uses less digits than its factorization.

145186734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314280.

The product of its digits is 80640, while the sum is 39.

The square root of 145186734 is about 12049.3457913698. The cubic root of 145186734 is about 525.5842131462.

The spelling of 145186734 in words is "one hundred forty-five million, one hundred eighty-six thousand, seven hundred thirty-four".