154223141 has 16 divisors (see below), whose sum is σ = 161387520. Its totient is φ = 147251520.

The previous prime is 154223137. The next prime is 154223143. The reversal of 154223141 is 141322451.

It is a cyclic number.

It is not a de Polignac number, because 154223141 - 2² = 154223137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154223143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807356 + ... + 807546.

It is an arithmetic number, because the mean of its divisors is an integer number (10086720).

Almost surely, 2^154223141 is an apocalyptic number.

It is an amenable number.

154223141 is a deficient number, since it is larger than the sum of its proper divisors (7164379).

154223141 is a wasteful number, since it uses less digits than its factorization.

154223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its digits is 960, while the sum is 23.

The square root of 154223141 is about 12418.6609986745. The cubic root of 154223141 is about 536.2696035925.

Adding to 154223141 its reverse (141322451), we get a palindrome (295545592).

The spelling of 154223141 in words is "one hundred fifty-four million, two hundred twenty-three thousand, one hundred forty-one".