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148072154 = 274036077
BaseRepresentation
bin10001101001101…
…10011011011010
3101022121211210212
420310312123122
5300401302104
622405411122
73445410146
oct1064663332
9338554725
10148072154
117664588a
1241709aa2
13248a5579
1415946226
15ceed36e
hex8d366da

148072154 has 4 divisors (see below), whose sum is σ = 222108234. Its totient is φ = 74036076.

The previous prime is 148072153. The next prime is 148072163. The reversal of 148072154 is 451270841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 2024929 = 12085^2 + 1423^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148072154.

It is not an unprimeable number, because it can be changed into a prime (148072153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37018037 + ... + 37018040.

Almost surely, 2148072154 is an apocalyptic number.

148072154 is a deficient number, since it is larger than the sum of its proper divisors (74036080).

148072154 is an equidigital number, since it uses as much as digits as its factorization.

148072154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74036079.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 148072154 is about 12168.4902103753. The cubic root of 148072154 is about 529.0431936219.

It can be divided in two parts, 14807 and 2154, that added together give a palindrome (16961).

The spelling of 148072154 in words is "one hundred forty-eight million, seventy-two thousand, one hundred fifty-four".

Divisors: 1 2 74036077 148072154