154212133005454 has 16 divisors (see below), whose sum is σ = 236306279320128. Its totient is φ = 75444295676512.

The previous prime is 154212133005409. The next prime is 154212133005481. The reversal of 154212133005454 is 454500331212451.

It is a super-2 number, since 2×154212133005454² (a number of 29 digits) contains 22 as substring.

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, 230274949 + ... + 230943664.

It is an arithmetic number, because the mean of its divisors is an integer number (14769142457508).

Almost surely, 2^{154212133005454} is an apocalyptic number.

154212133005454 is a deficient number, since it is larger than the sum of its proper divisors (82094146314674).

154212133005454 is a wasteful number, since it uses less digits than its factorization.

154212133005454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461222219.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 154212133005454 in words is "one hundred fifty-four trillion, two hundred twelve billion, one hundred thirty-three million, five thousand, four hundred fifty-four".