154945241 has 4 divisors (see below), whose sum is σ = 169031184. Its totient is φ = 140859300.

The previous prime is 154945237. The next prime is 154945243. The reversal of 154945241 is 142549451.

154945241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142549451 = 11 ⋅12959041.

It is a cyclic number.

It is not a de Polignac number, because 154945241 - 2² = 154945237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154945243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7042955 + ... + 7042976.

It is an arithmetic number, because the mean of its divisors is an integer number (42257796).

Almost surely, 2^154945241 is an apocalyptic number.

154945241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154945241 is a deficient number, since it is larger than the sum of its proper divisors (14085943).

154945241 is a wasteful number, since it uses less digits than its factorization.

154945241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14085942.

The product of its digits is 28800, while the sum is 35.

The square root of 154945241 is about 12447.7002293596. The cubic root of 154945241 is about 537.1052703839.

The spelling of 154945241 in words is "one hundred fifty-four million, nine hundred forty-five thousand, two hundred forty-one".