42154966 has 16 divisors (see below), whose sum is σ = 72633600. Its totient is φ = 17974440.

The previous prime is 42154949. The next prime is 42154979. The reversal of 42154966 is 66945124.

It is a super-3 number, since 3×42154966³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 4780 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (4539600).

Almost surely, 2^42154966 is an apocalyptic number.

42154966 is a deficient number, since it is larger than the sum of its proper divisors (30478634).

42154966 is a wasteful number, since it uses less digits than its factorization.

42154966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339.

The product of its digits is 51840, while the sum is 37.

The square root of 42154966 is about 6492.6855768626. The cubic root of 42154966 is about 348.0296524255.

The spelling of 42154966 in words is "forty-two million, one hundred fifty-four thousand, nine hundred sixty-six".