145741734 has 16 divisors (see below), whose sum is σ = 323870640. Its totient is φ = 48580560.

The previous prime is 145741703. The next prime is 145741747. The reversal of 145741734 is 437147541.

145741734 is a `hidden beast` number, since 14 + 574 + 1 + 73 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1349407 + ... + 1349514.

It is an arithmetic number, because the mean of its divisors is an integer number (20241915).

Almost surely, 2^145741734 is an apocalyptic number.

145741734 is an abundant number, since it is smaller than the sum of its proper divisors (178128906).

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

145741734 is a wasteful number, since it uses less digits than its factorization.

145741734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698932 (or 2698926 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 145741734 is about 12072.3541200546. The cubic root of 145741734 is about 526.2530720892.

The spelling of 145741734 in words is "one hundred forty-five million, seven hundred forty-one thousand, seven hundred thirty-four".