146239534 has 16 divisors (see below), whose sum is σ = 252296928. Its totient is φ = 62273952.

The previous prime is 146239501. The next prime is 146239571. The reversal of 146239534 is 435932641.

146239534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 146239493 and 146239502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31069 + ... + 35464.

It is an arithmetic number, because the mean of its divisors is an integer number (15768558).

Almost surely, 2^146239534 is an apocalyptic number.

146239534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

146239534 is a deficient number, since it is larger than the sum of its proper divisors (106057394).

146239534 is a wasteful number, since it uses less digits than its factorization.

146239534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66699.

The product of its digits is 77760, while the sum is 37.

The square root of 146239534 is about 12092.9538988619. The cubic root of 146239534 is about 526.8515533292.

The spelling of 146239534 in words is "one hundred forty-six million, two hundred thirty-nine thousand, five hundred thirty-four".