154554214 has 4 divisors (see below), whose sum is σ = 231831324. Its totient is φ = 77277106.

The previous prime is 154554209. The next prime is 154554223. The reversal of 154554214 is 412455451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412455451 = 10457 ⋅39443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38638552 + ... + 38638555.

It is an arithmetic number, because the mean of its divisors is an integer number (57957831).

Almost surely, 2^154554214 is an apocalyptic number.

154554214 is a deficient number, since it is larger than the sum of its proper divisors (77277110).

154554214 is an equidigital number, since it uses as much as digits as its factorization.

154554214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77277109.

The product of its digits is 16000, while the sum is 31.

The square root of 154554214 is about 12431.9835102851. The cubic root of 154554214 is about 536.6530685100.

The spelling of 154554214 in words is "one hundred fifty-four million, five hundred fifty-four thousand, two hundred fourteen".